CVE-2026-79774 — Winter CMS before 1.2.13 Twig Sandbox Escape via SecurityPolicy
Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in System\\Twig\\SecurityPolicy that allows authenticated backend users with …
Published: 2026-08-25 · CVSS: 9.3 · CVSS 4.0
Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in System\\Twig\\SecurityPolicy that allows authenticated backend users with template-editing permissions to bypass sandbox restrictions. Attackers can exploit method forwarding through Eloquent models and query builders using methods like saveQuietly(), deleteQuietly(), increment(), decrement(), and newQuery() to read and modify arbitrary database records, execute arbitrary SQL, and achieve remote code execution by injecting PHP into template code sections.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7